Solved
Who can help explain what is 'Publish Floor' at ThingWorx tab of Kepware project properties
It is about the data rates connection with Thingworx? what is the priority with the data rates of tags?
Article - "Factors affecting the rate at which data is pulled from a KEPServerEX/ThingWorx Kepware Server Tag to a Remotely Bound Property in ThingWorx Platform": https://www.ptc.com/en/support/article/CS313389